What are the %s %p options used here?
From the man page:
%s File's size in bytes.
%p File's name.
Scroll down on that page beyond all the regular letters for printf and read the parts which come prefixed with a %.
%n Number of hard links to file.
%p File's name.
%P File's name with the name of the starting-point under which it was found removed.
%s File's size in bytes.
%t File's last modification time in the format returned by the C `ctime' function.
Are there any other options that can be used?
There are. See the link to the manpage.
